Add new flag for capturing power button feature.

Bug: 357144512
Test: FLAG_ONLY
Flag: com.android.hardware.input.override_power_key_behavior_in_focused_window
Change-Id: Id73421ad72d472f8898c548a3b1c10164f6feca8
diff --git a/core/java/android/hardware/input/input_framework.aconfig b/core/java/android/hardware/input/input_framework.aconfig
index 6669754..1206855 100644
--- a/core/java/android/hardware/input/input_framework.aconfig
+++ b/core/java/android/hardware/input/input_framework.aconfig
@@ -141,3 +141,10 @@
   description: "Adds shortcuts to toggle and control a11y features"
   bug: "373458181"
 }
+
+flag {
+  name: "override_power_key_behavior_in_focused_window"
+  namespace: "input_native"
+  description: "Allows privileged focused windows to capture power key events."
+  bug: "357144512"
+}